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Finding the Fourth Proportional to 64,909.08, 89,578.71 and 36,614.16

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Solution

The fourth proportional to 64,909.08, 89,578.71 and 36,614.16 is: 50,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.08 : 89,578.71 = 36,614.16 : x
  2. Step 2: Convert to fraction form
    64,909.08/89,578.71 = 36,614.16/x
  3. Step 3: Cross multiply
    64,909.08x = 89,578.71 × 36,614.16
  4. Step 4: Simplify right side
    64,909.08x = 3,279,849,220.53
  5. Step 5: Solve for x
    x = 3,279,849,220.53/64,909.08
  6. Step 6: Final answer
    x = 50,529.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.